diff --git a/pachyrhynchus-config b/pachyrhynchus-config
index 64c3fb0..99b11c0 100644
--- a/pachyrhynchus-config
+++ b/pachyrhynchus-config
@@ -402,7 +402,10 @@ CONFIG_X86_PMEM_LEGACY_DEVICE=y
 CONFIG_X86_PMEM_LEGACY=y
 CONFIG_X86_CHECK_BIOS_CORRUPTION=y
 CONFIG_X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK=y
-# CONFIG_MTRR is not set
+CONFIG_MTRR=y
+# CONFIG_MTRR_SANITIZER is not set
+CONFIG_X86_PAT=y
+CONFIG_ARCH_USES_PG_UNCACHED=y
 CONFIG_X86_UMIP=y
 CONFIG_CC_HAS_IBT=y
 # CONFIG_X86_KERNEL_IBT is not set